Znn3bq.jpeg
²é¿´: 946  |  »Ø¸´: 7
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

himountain

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] һС¾äÓ¢ÎÄ·­ÒëÇóÖú

µ±ÎïÌå½ÏÔ¶»òÕß²»ÄÜ·´Éä¹âÐźÅʱ£¬ÔÚ³ÉÏñÎïÌåÉÏͶÉä¹âÐźŲ»ÏÖʵҲûÓÐÓ㬱ÈÈç¶ÔÒ£Ô¶µÄÐÇÐdzÉÏñ¡£

When an object is far away or cannot reflect light signal, to cast an auxiliary energy signal to the imaging object will be impractical and unhelpful, such as the imaging of remote stars.

ÎÒ·­µÄ¶Ô²»¶ÔÄØ£¿Ö÷ÒªÊÇsuch as Òýµ¼µÄ´Ó¾ä ÔÚÕâ¶ùÓõĶÔÂð£¿

Å×שÒýÓñ£¬Çë´ó¼Ò¸ø³ö¸üÇ¡µ±µÄ·­Ò룬ллÀ²

[ Last edited by himountain on 2013-8-27 at 22:56 ]

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

phu_grassman

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

¿ìÀÖµº¡¢²¼¼ªµºµºÖ÷

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
himountain: ½ð±Ò+3, ·­ÒëEPI+1, ¡ïÓаïÖú 2013-08-28 09:50:01
It's impratical and useless to cast an auxiliary energy signal to the imaging object when the object is far away or unable to reflect light signals, such as remote stars.
Ps: such as ÔÚÕâÀï²»ÊÇÒýµ¼´Ó¾ä£¬ÆäºóÒ²²»ÄܽӴӾ䣬ֻÊÇ×÷Ϊһ¸ö½é´Ê¶ÌÓï¡£
3Â¥2013-08-28 07:58:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

ÏÄÄÏ

½ð³æ (ÕýʽдÊÖ)

Éî¶ÈÇ¿ÆÈÖ¢»¼Õß

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÄѵÀ¸ú¸Õ²Å¿´µÄÊÇÒ»¸öÈË£¿Ëµ»°·½Ê½¶¼Ò»Ñù£¬Á¬·­³öÀ´µÄÓ¢ÎÄÒ²ÊÇÒ»¸öζ¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
¼Ù×°ÎÄÒÕÇàÄêµÄ¿Æ¼¼¹¤×÷Õß¡£
2Â¥2013-08-27 23:45:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mac194

Ìú³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
himountain: ½ð±Ò+1 2013-08-28 18:09:50
Poor image quality effectively precludes the use of auxiliary energy signals on targets too opaque or too distant to reflect enough light.
  ("effectivey precludes" Ç¿µ÷²¢·Ç¾ø²»¿ÉÐÐ)
  ("target" ±íʾҲ¿¼Âǵ½ÐÇÐÇÖ®ÍâµÄÄ¿±ê)

  »ò

Auxiliary energy signals won't work well when the target (star) is either too opaque or too distant to reflect enough light.
  "(star)" = "a star, for example,"  = "e.g., a star"
  "(star)" = ¼ò½à¾ÙÀý·½·¨,(ÄÚÐÐÈ˼ä)ÇáÇáÌáÐÑ
4Â¥2013-08-28 11:50:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mlizhiguo

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
himountain: ½ð±Ò+1, ллÄã 2013-08-28 23:31:49
When the object can not be far away or reflected light signal light projected on the object in the imaging signal unrealistic no use , such as the distant stars imaged.
еĿªÊ¼£¬´ÓÕâÀï³ö·¢¡£
6Â¥2013-08-28 20:28:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 080100Á¦Ñ§316Çóµ÷¼Á +5 L_Hairui 2026-04-07 5/250 2026-04-10 05:48 by ССÊ÷2024
[¿¼ÑÐ] 308Çóµ÷¼Á +20 ÌÈÈôÆð·çÁËÄØ 2026-04-05 20/1000 2026-04-10 01:14 by ѧzh
[¿¼ÑÐ] Çóµ÷¼Á +12 MAXâê㯠2026-04-09 13/650 2026-04-09 23:32 by cls512
[¿¼ÑÐ] 293µ÷¼Á +23 yj1221 2026-04-08 24/1200 2026-04-09 23:26 by may_ÐÂÓî
[¿¼ÑÐ] 297Çóµ÷¼Á +8 Kwgyz 2026-04-09 8/400 2026-04-09 23:22 by may_ÐÂÓî
[¿¼ÑÐ] 291Çóµ÷¼Á +7 ¹ØÒä±±. 2026-04-09 8/400 2026-04-09 15:17 by ̽123
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +13 ÏàÐűػá¹ââÍòÕ 2026-04-06 16/800 2026-04-09 13:54 by ÐìÁ¼°×ü´óÏÀ
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322 +18 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 19/950 2026-04-09 10:44 by cymywx
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 8/400 2026-04-09 07:26 by sunjie8888
[¿¼ÑÐ] 324Çóµ÷¼Á +17 ÏëÉÏѧÇóµ÷ 2026-04-03 17/850 2026-04-08 20:04 by ÎÒ¼õ·Ê1
[¿¼ÑÐ] µç×ÓÐÅÏ¢346 +4 zuoshaodian 2026-04-08 4/200 2026-04-08 11:54 by zzucheup
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢319Çóµ÷¼Á£¨½ÓÊÜ¿çרҵµ÷¼Á£© +5 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-05 6/300 2026-04-07 22:16 by hemengdong
[¿¼ÑÐ] 331Çóµ÷¼Á +5 ÕÅÔªÒ» 2026-04-07 6/300 2026-04-07 22:13 by hemengdong
[¿¼ÑÐ] 297·Ö083200ÇóÖú +9 aekx 2026-04-05 9/450 2026-04-06 20:57 by flysky1234
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼Á +7 À­ÌáÌÒ 2026-04-06 7/350 2026-04-06 18:55 by 52305043001
[¿¼ÑÐ] 285Çóµ÷¼Á +5 mapmath 2026-04-06 6/300 2026-04-06 17:18 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϺ½£¬ÊýһӢһѧ˶317Çóµ÷¼Á£¡£¡ +6 Acaciad 2026-04-04 6/300 2026-04-06 12:13 by ¿¼ÑÐѧУÕеãÈË
[¿¼ÑÐ] Çóµ÷¼Á +5 wos666 2026-04-03 5/250 2026-04-06 10:13 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] 322Çóµ÷¼Á +6 FZAC123 2026-04-03 6/300 2026-04-03 22:23 by ¿ÆÑÐСר¼Ò
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û